[JIRA] (OVIRT-1891) Add a tool to locally test stdci.yaml configuration

Add a tool to locally test stdci.yaml configuration --------------------------------------------------- Key: OVIRT-1891 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1891 Project: oVirt - virtualization made easy Issue Type: Improvement Components: Standard CI (Pipelines), STDCI DSL Reporter: Daniel Belenky Assignee: infra Labels: first_time_task, standard-ci As the production usage of STDCI DSL is up around the corner, we should create a simple tool to allow users to test their configurations locally, to show them the jobs/environments that will be generated by their config.